Speech_Codes

该程序为OFDM正交频分复用技术的基础仿真，为最初加入信号，在信噪比为0时的波形！(The program for the OFDM orthogonal frequency division multiplexing based simulation, adding to the initial signal, the waveform signal to noise ratio is 0!)

MPSK MQAM MPAM理论误码曲线对比(MPSK MQAM MPAM theoretical BER curve comparison)

日期转换的程序。可将字符型日期转换为数值型。增加了一种常用日期编码格式。建议将其作为mex使用，速度有显著提高。(Date conversion process. Date can be converted to a numeric character. Added a common date code format. Recommend its use as a mex, the speed has improved significantly.)

Converts a square matrix into its Lower matrix and Upper matrix components.

希望学习优化设计原理的同学能够好好利用这个资料啊(Want to learn the principles of optimal design students can take advantage of this information ah)

TEACHING-LEARNING-BASED OPTIMIZATION ALGORITHM FOR SHAPE AND SIZE OPTIMIZATION OF TRUSS STRUCTURES WITH DYNAMIC FREQUENCY CONSTRAINTS*

说明：  SVM 现在主要用于故障诊断。他可以解决非线性，小样本。(svm is a means for fault detect.)

决策树,包括决策树的节点选择、决策控制及决策树的画法(decision tree)

关于matlab初学者入门的课件，初学者可以学到不少的(portal on the Matlab courseware beginners, beginners can learn a lot of)

1D Convective Diffusion